Lexington Weather

Lexington, Massachusetts, USA

21°F
12/16/2025 4:26am 
  • Lexington Conditions: Mostly cloudy
  • Temperature: 20.7°F / -6.3°CWarmer 0.2°F than last hour.
  • Dew Point: 14.9°FIncreased 0.7°Fsince last hour.
  • Relative Humidity: 78%Increased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.09 in Steady
  • Visibility: 10 miles
  • Snow Today: 0.0 in
  •   

High Surf Advisory

Issued by the National Weather Service - Honolulu, HI

    HIGH SURF ADVISORY  

Niihau, HI; Kauai North, HI; Oahu North Shore, HI

High Surf Advisory issued December 15 at 2:05PM HST until December 16 at 6:00AM HST by NWS Honolulu HI

HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY

Areas Affected: Niihau; Oahu North Shore; Kauai North

Urgency: Expected

Severity: Minor

Certainty: Likely

Alert Sent: Monday 2:05pm HST

Alert Effective: Monday 2:05pm HST

Alert Expires: Tuesday 3:15am HST (expect updated alert by this time)

Event Onset: Monday 2:05pm HST

Event Ends: Tuesday 6:00am HST

Issued by: NWS Honolulu HI

Details: 
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY...

...HIGH SURF ADVISORY FOR WEST FACING SHORES OF NIIHAU KAUAI OAHU
AND MOLOKAI IS NO LONGER IN EFFECT...

...HIGH SURF ADVISORY NOW IN EFFECT FOR NORTH FACING SHORES OF
KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND THROUGH TONIGHT...

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR WEST FACING SHORES OF
LEEWARD BIG ISLAND THROUGH TONIGHT...

.A large, medium period north-northwest (290-300 degree) swell has
peaked and will subside through tonight, except for west facing
shores of Leeward Big Island where this swell will continue
building through this evening. A large, long period north
(350-360 degree) swell is also building into area waters this
afternoon. This swell will maintain elevated surf along north
facing exposures through tonight.

* WHAT...Large breaking waves of 14 to 18 feet subsiding to 10 to
15 feet late tonight.

* WHERE...North facing shores of Niihau, Kauai, and Oahu.

* WHEN...Until 6 AM HST Tuesday.

* IMPACTS...Moderate. Strong breaking waves and strong currents
will make swimming dangerous.

Information: 
Heed all advice from ocean safety officials. When in doubt, don't
go out.

Meta data: 
ID: urn:oid:2.49.0.1.840.0.9df7bbb99400b99aa5e4f3904afa5d3f85e7aae3.004.1
Codes: HIZ001, HIZ007, HIZ029
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9df7bbb99400b99aa5e4f3904afa5d3f85e7aae3.004.1